If she sees blood for a day, or for two days, then that is not from hayd, so long as she did not see the blood for three consecutive days. It is upon her that she perform the qada for those salat that she abandoned in the day or the two days.

If she sees blood for more than ten days, then she must refrain from salat for ten days, perform ghusl on the eleventh day and stuffs in (a cotton). If the blood does not penetrate through the tampon, then she prays her salat - each salat with a wudu.

وإنثقبالدمالكرسفولميسل،صلتصلاةالليلوصلاةالغداةبغسل،وسائرالصلواتبوضوء.

If the blood does penetrate the kerchief, but does not pass through, she prays the salat of the night and the salat of the morning with a (single) ghusl, and rest (all?) of the salat with a wudu.

If the blood does penetrate the kerchief and passes through, she prays the salat of the night and the salat of the morning with a ghusl, and zhuhr and `asr with a ghusl, and she delays zhuhr a little, and hurries `asr. She prays maghrib and the final `isha with one ghusl, and she delays maghrib a little and hurries `isha al-akhira until the days of her hayd. When she enters upon the days of her hayd, then she leaves off salat. When she performs ghusl from that, it becomes allowed for her husband to approach her (i.e. to have sexual intercourse with her).

When the menstruating woman (al-ha’id) intends to do ghusl for hayd, then she must perform istibra’. Istibra’ is: that she put in a cotton. If there is blood that comes out, even if it is (only) the like of the head of a fly, if it comes out then she does not do ghusl. And if no blood comes out, then she does ghusl.

As-Sadiq عليهالسلام said: It is obligatory upon the woman that when she menstruates that she perform wudu with every salat, sit facing the qibla, and perform dhikr of Allah to the extent of her salat every day.

والصفرةفيأيامالحيضحيض،وفيأيامالطهرطهر .

Yellow discharge in the days of hayd is hayd, and in the days of purity is pure.